Opener Lab

Compare MASTS

Pick a word to compare against.

MASTS C
88.9%
of words eliminated

How MASTS performs

Played first, MASTS removes about 88.9% of the possible-answer list on average and scores 4.14 bits of information. Its first-turn information ranks #10,535 out of 14,855 Wordle guesses tested. It is not on the possible-answer list, but it can still be useful because of the feedback groups it creates.

Tried against 1,858 past Wordle answers, MASTS left an average of 264 possible answers standing after the first guess. Its largest group in that replay came on July 20, 2026, when the answer was DIVER and 633 candidates survived.

First-guess odds

OutcomeMASTS
First-turn solve*0%
At least one green24.2%
Any green or yellow73.2%
Whole row gray26.8%
Worst case answers left633

*Treating every word in the possible-answer list as equally likely.